package com.example.ymm.util;

import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.*;
import org.springframework.stereotype.Service;

import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.TimeUnit;

/**
 * Created by Administrator on 2017/12/1.
 */
@Service
@Slf4j
public class RedisUtil {

    @Autowired
    private RedisTemplate redisTemplate;

    public boolean setIfAbsent(final String key,Object value,long time, TimeUnit timeUnit){
        return redisTemplate.opsForValue().setIfAbsent(key,value,time,timeUnit);
    }

    /**
     * 写入缓存
     * @param key
     * @param value
     * @return
     */
    public boolean set(final String key, Object value) {
        boolean result = false;
        try {
            ValueOperations<Serializable, Object> operations = redisTemplate.opsForValue();
            if(UtilValidate.isEmpty(value)){
                operations.set(key, value);
            }else{
                operations.set(key, value);
            }
            result = true;
        } catch (Exception e) {
            log.error("add message err:",e);
        }
        return result;
    }
    /**
     * 写入缓存设置时效时间
     * @param key
     * @param value
     * @return
     */
    public boolean set(final String key, Object value, Long expireTime) {
        boolean result = false;
        try {
            ValueOperations<Serializable, Object> operations = redisTemplate.opsForValue();
            operations.set(key, value);
            redisTemplate.expire(key, expireTime, TimeUnit.SECONDS);
            result = true;
        } catch (Exception e) {
            log.error("add message err:",e);
        }
        return result;
    }
    /**
     * 批量删除对应的keys
     * @param keys
     */
    public void remove(final String... keys) {
        for (String key : keys) {
            remove(key);
        }
    }

    public Boolean hasSetValue(String key,Object obj){
     return   redisTemplate.boundSetOps(key).isMember(obj);
    }

    public boolean hasKey(String key){
        return redisTemplate.hasKey(key);
    }


    public boolean hasMapValue(String key,Object obj){
        return redisTemplate.opsForHash().hasKey(key,obj);
    }

    /**
     *  删除hash中的key-value
     * @param key
     * @param obj
     * @return
     */
    public Long hDel(String key,Object obj){
        return redisTemplate.boundHashOps(key).delete(obj);
    }

    /**
     * 批量删除key
     * @param pattern
     */
    public void removePattern(final String pattern) {
        Set<Serializable> keys = redisTemplate.keys(pattern);
        if (keys.size() > 0)
            redisTemplate.delete(keys);
    }
    /**
     * 删除对应的键
     * @param key
     */
    public void remove(final String key) {
        if (exists(key)) {
            redisTemplate.delete(key);
        }
    }

    public Long removeSetValue(final String key,String value){
        if(hasKey(key)){
            Long result =   redisTemplate.boundSetOps(key).remove(value);
            return result;
        } else{
            return 0L;
        }
    }
    /**
     * 判断缓存中是否有对应的value
     * @param key
     * @return
     */
    public boolean exists(final String key) {
        return redisTemplate.hasKey(key);
    }
    /**
     * 读取缓存
     * @param key
     * @return
     */
    public <T> T get(final String key,Class<T> clazz) {
        ValueOperations<Serializable, Object> operations = redisTemplate.opsForValue();
        Object result = operations.get(key);
        return  (T)result;
    }

    public Object get(final String key) {
        ValueOperations<Serializable, Object> operations = redisTemplate.opsForValue();
        Object result = operations.get(key);
        return  result;
    }

    /**
     * 获取指定 keywords 的值
     * @param key
     * @return
     */
    public  String getString(String key) {
        return (String) redisTemplate.opsForValue().get(key);
    }


    /**
     * 哈希 添加
     * @param key
     * @param hashKey
     * @param value
     */
    public void hmSet(String key, Object hashKey, Object value){
        HashOperations<String, Object, Object> hash = redisTemplate.opsForHash();
        hash.put(key,hashKey,value);
    }

    /**
     * 哈希 添加
     * @param key
     * @param value
     */
    public void hmSet(String key,  Map<Object,Object> value){
        HashOperations<String, Object, Object> hash = redisTemplate.opsForHash();
        hash.putAll(key,value);
    }

    /**
     * 哈希获取数据
     * @param key
     * @param hashKey
     * @return
     */
    public Object hmGet(String key, Object hashKey){
        HashOperations<String, Object, Object>  hash = redisTemplate.opsForHash();
        return hash.get(key,hashKey);
    }

    /**
     * 哈希获取数据
     * @param key
     * @return
     */
    public List<Object> hmGet(String key, Set<Object> hashKey){
        HashOperations<String, Object, Object>  hash = redisTemplate.opsForHash();
        List<Object> objects = hash.multiGet(key,hashKey);
        if(UtilValidate.isEmpty(objects)||objects.get(0)==null){
            return new ArrayList<>();
        }
        return objects;
    }

    /**
     * 列表添加
     * @param k
     * @param v
     */
    public void lPush(String k,Object v){
        ListOperations<String, Object> list = redisTemplate.opsForList();
        list.rightPush(k,v);
    }

    /**
     * 列表获取
     * @param k
     * @param l
     * @param l1
     * @return
     */
    public List<Object> lRange(String k, long l, long l1){
        ListOperations<String, Object> list = redisTemplate.opsForList();
        return list.range(k,l,l1);
    }

    /**
     * 集合添加
     * @param key
     * @param value
     */
    public void add(String key,Object value){
        SetOperations<String, Object> set = redisTemplate.opsForSet();
        set.add(key,value);
    }

    public Set<Object> sAll(String key){
        BoundSetOperations<String, Object> set = redisTemplate.boundSetOps(key);
        return  set.members();
    }

    /**
     * 查找匹配的key
     *
     * @param pattern
     * @return
     */
    public Set<String> keys(String pattern) {
        return redisTemplate.keys(pattern);
    }

    /**
     * 集合获取
     * @param key
     * @return
     */
    public Set<Object> setMembers(String key){
        SetOperations<String, Object> set = redisTemplate.opsForSet();
        return set.members(key);
    }

    /**
     * 有序集合添加
     * @param key
     * @param value
     * @param scoure
     */
    public Boolean zAdd(String key,Object value,double scoure){
        ZSetOperations<String, Object> zset = redisTemplate.opsForZSet();
        return zset.add(key,value,scoure);
    }

    /**
     * 集合个数获取
     * @param key
     */
    public Long zCard(String key){
        ZSetOperations<String, Object> zset = redisTemplate.opsForZSet();
        return zset.zCard(key);
    }

    /**
     * 有序集合删除
     * @param key
     * @param value
     */
    public void zDelete(String key,Object value){
        ZSetOperations<String, Object> zset = redisTemplate.opsForZSet();
        zset.remove(key,value);
    }

    /**
     * 有序集合删除
     * @param key
     * @param start
     * @param end
     */
    public Long zRemRangeByScore(String key,double start,double end){
        ZSetOperations<String, Object> zset = redisTemplate.opsForZSet();
        return redisTemplate.opsForZSet().removeRangeByScore(key,start,end);
    }

    /**
     * 有序集合获取
     * @param key
     * @param scoure
     * @param scoure1
     * @return
     */
    public Set<Object> rangeByScore(String key,double scoure,double scoure1){
        ZSetOperations<String, Object> zset = redisTemplate.opsForZSet();
        return zset.rangeByScore(key, scoure, scoure1);
    }

    public Set<Object> rang(String key,Integer start,Integer end){
        ZSetOperations<String, Object> zset = redisTemplate.opsForZSet();
        return zset.range(key, start, end);
    }

    /**
     *逆向取值
     * @param key
     * @param start
     * @param end
     * @return
     */
    public Set<Object> reverseRange(String key,Integer start,Integer end){
        ZSetOperations<String, Object> zset = redisTemplate.opsForZSet();
        return zset.reverseRange(key, start, end);
    }

    /**
     *有序集成员按分数值递减(从大到小)排序。
     * @param key
     * @return
     */
    public Long zrevrank(String key,Object object){
        ZSetOperations<String, Object> zset = redisTemplate.opsForZSet();
        return zset.reverseRank(key,object);
    }

    /**
     * 根据分值倒序获取
     * @param key
     * @param start
     * @param end
     * @return
     */
    public Set<Object> reverseRangeByScore(String key,Integer start,Integer end){
        ZSetOperations<String, Object> zset = redisTemplate.opsForZSet();
        return zset.reverseRangeByScore(key, start, end);
    }

    /**
     * 根据分值倒序获取
     * @param key
     * @param start
     * @param end
     * @return
     */
    public Set<Object> reverseRangeByScore(String key,Double start,Double end){
        ZSetOperations<String, Object> zset = redisTemplate.opsForZSet();
        return zset.reverseRangeByScore(key, start, end);
    }

    public Long increment(String key,Long value){
       Long result  = redisTemplate.boundValueOps(key).increment(value);
       return result;
    }





}